Mozilla Firefox Logo Mozilla Firefox is a popular alternative to the default browsers that come preloaded with you computer, including Internet Explorer and Microsoft Edge. The following sections contain steps on how to install and uninstall the Mozilla's Firefox browser.Install Mozilla Firefox

Open your Internet browser and go to the Mozilla Firefox download page.Click the Free Download button in the center of the page.Once the download has completed, click Run or on the download itself (usually in the lower left-hand corner of your browser window).Follow the prompts to install Mozilla Firefox.Uninstall Mozilla Firefox

Open the Control Panel.Under the Programs section, click Uninstall a program.Find and select the Mozilla Firefox program in the list.You should see an Uninstall option appear Uninstall program button above the list of programs.Follow the prompts to uninstall the Firefox browser.